Herculean task
US /hərˈkjuːliən tæsk/
UK /hərˈkjuːliən tæsk/

1.
艰巨的任务, Herculean任务
a task requiring tremendous effort, strength, or courage, often seemingly impossible to complete
:
•
Cleaning out the entire attic was a truly Herculean task.
清理整个阁楼真是一项艰巨的任务。
•
Completing the marathon after only a month of training was a Herculean task for him.
对他来说,只训练一个月就完成马拉松是一项艰巨的任务。